Base | Representation |
---|---|

bin | 10110101110011111… |

… | …11000111010100011 |

3 | 1011111022201020200000 |

4 | 23113033320322203 |

5 | 144442001420230 |

6 | 5334414031043 |

7 | 611233333332 |

oct | 132717707243 |

9 | 34438636600 |

10 | 12201201315 |

11 | 51a1295156 |

12 | 24461a8483 |

13 | 11c5a4c864 |

14 | 83a633d19 |

15 | 4b6265b60 |

hex | 2d73f8ea3 |

12201201315 has 24 divisors (see below), whose sum is σ = 21932038128. Its totient is φ = 6507306720.

The previous prime is 12201201263. The next prime is 12201201323. The reversal of 12201201315 is 51310210221.

Adding to 12201201315 its reverse (51310210221), we get a palindrome (63511411536).

It is not a de Polignac number, because 12201201315 - 2^{17} = 12201070243 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5019856 + ... + 5022285.

It is an arithmetic number, because the mean of its divisors is an integer number (913834922).

Almost surely, 2^{12201201315} is an apocalyptic number.

12201201315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12201201315 is a deficient number, since it is larger than the sum of its proper divisors (9730836813).

12201201315 is an equidigital number, since it uses as much as digits as its factorization.

12201201315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10042161 (or 10042149 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The spelling of 12201201315 in words is "twelve billion, two hundred one million, two hundred one thousand, three hundred fifteen".

Divisors: 1 3 5 9 15 27 45 81 135 243 405 1215 10042141 30126423 50210705 90379269 150632115 271137807 451896345 813413421 1355689035 2440240263 4067067105 12201201315

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